salpinx vs oviduct

salpinx and oviduct both are nouns.

Word	Noun	Adjective	Verb	Adverb
salpinx	Yes	No	No	No
oviduct	Yes	No	No	No

As nouns, oviduct is a hyponym of salpinx; that is, oviduct is a word with a more specific, narrower meaning than salpinx:

salpinx: a tube in the uterus or the ear
oviduct: either of a pair of tubes conducting the egg from the ovary to the uterus

Other hyponyms of salpinx include auditory tube, Eustachian tube, Fallopian tube, uterine tube.

salpinx (noun)	oviduct (noun)
a tube in the uterus or the ear	either of a pair of tubes conducting the egg from the ovary to the uterus